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Authors; Bob Dunphy

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With over 17 years of experience in the bar code industry, Bob Dunphy has been Principal Engineer at Omniplanar, Inc (http://www.omniplanar.com) since its inception. He has designed numerous CCD camera systems as well as high speed processing platforms.

Author Specialises in Articles on : Computer Hardware Guide & Computers
Online Tips & Article Directories by Bob Dunphy, Bob2
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Image Processing
Documents that are scanned for image processing or storage are often captured at 8 bits per pixel. These are referred to as grayscale images in that 256 levels of gray are able to be represented in the image. The capability to represent shades of gray is required to faithfully capture photographs and graphics but is not normally needed for text. Consequently, scanned images are often binarized.......
Similar Editorial : Image Does Matter by Lorraine Pirihi. | Source : Microsoft Windows Xp Tablet Pc Edition 2005

The Effects Of Fax Transmission On Bar Code Decoding
When documents containing bar code symbols are faxed, the quality of the bar code symbol will degrade. Documents scanned by fax machines in Standard Resolution are sampled with 204 horizontal dots per inch and 98 vertical dots per inch. Each sample point is then converted to either a white or black value (a process known as binarization). The binarization process converts straight lines of the bar......
Similar Editorial : Decoding Chinese Forms by Stefan Verstappen. | Source : What Is The Best Computer



Image Processing Source Code
Two-dimensional matrix codes are a good choice when binarization is used with a minimumof 5 pixels per module, and they provide the added benefit of increasing data density of the bar code symbol...
Similar Editorial : Accounting Software Source Code by Kok Choon Kow. | Source : Things You Should See On The Internet

Keyboarding And Document Processing
At the maximum error correction level, the data capacity drops to 21 numeric digits maximum of 7 errors...
Similar Editorial : And Document Management System by Isabel Tiong. | Source : Computer Hardware Guide Pg. 153

The Bar Code Book
They provide the added benefit of reducing the amount of real estate required in the application document due to their superior data density...
Similar Editorial : Avatar The Last Airbender Book 2 Chapter 19 by Dr. Ibrahim Khalil. | Source : Computer Hardware Guide

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